LostinAZ wrote: We had both tires do that on one axle. First thought it might be alignment but upon close inspection determined that the Mission brand tires were developing tread separation. Replacement tires have been on over 10,000 miles with no unuasual tire wear issues or similar issues.
These are the American made Goodyear tires that replaced the Missions that fell apart in the second year. I had a mobile RV repair guy service my wheel bearings last spring, so I am leaning toward taking it to the heavy duty trailer alignment place and have them check for loose wheel bearings. The tire seems to be straight, as compared to the tire in front of it, so I don't think anything is bent, at least I hope not.
We had the exact same problem. One tire only, rear drivers side inside of tire wear only.
Took it to the local alignment shop and the axle was bent.
After the straightening we do not seem to have the problem any longer.
The cost was cheap. $125.00. We mounted our spare on the area that the axle was straightened and that way we can see if it will happen again.
A possible cause as pointed out at the alignment shop is that this is the way that most of us back up either into a campsite or at home and a lot of pressure is put on that back drivers side tire. Could be maybe???
Hope that this helps.
LostinAZ wrote: We had both tires do that on one axle. First thought it might be alignment but upon close inspection determined that the Mission brand tires were developing tread separation. Replacement tires have been on over 10,000 miles with no unuasual tire wear issues or similar issues.
These are the American made Goodyear tires that replaced the Missions that fell apart in the second year. I had a mobile RV repair guy service my wheel bearings last spring, so I am leaning toward taking it to the heavy duty trailer alignment place and have them check for loose wheel bearings. The tire seems to be straight, as compared to the tire in front of it, so I don't think anything is bent, at least I hope not.
Thanks everyone for your opinions.
You don't need to go to the expense of taking the RV to a HD alignement place to determine if the wheel bearings are loose. Just carefully jack up each wheel(make sure you know how to do this properly) so that it is completely free from any weight on it. Then try to tilt the wheel top vs bottom or side vs side. If there is any play noticeable at all the wheel bearings are too loose.
I had excessive wear on the outside of my front curb-side tire. Turned out it was a bent axle spindle. The axle shop told me that a bent spindle usually causes wear on the inside, so mine was an exception to the general rule. They also said my bent spindle was probably caused by some sort of impact. I didn't remember hitting anything, including a pothole, but we don't always feel those things unless the TV hits it also.
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